Chocolate contains caffeine

2. Which is not the reason why some languages are in danger?

1. How many languages will die out according to some experts?

5. What cannot we know from the article? 推断

4. What did the police do to Ms Hicks?

3. What happened according to Dorothy Sánchez?

2. What is the relationship between Johnny Hedges and Ms Hicks?

1. Why was Ms Hicks arrested?

5. The first pair of Levi’s jeans were made in( ).

4. Nokia is based in( ).

3. Coca-Cola was invented by( ).